Laws of Reflection

Author:NCERT
8th CBSE
IMPORTANT

Important Questions on Laws of Reflection

MEDIUM
IMPORTANT

 There is a mistake in each of the following ray diagrams given as figure a, b, and c. Make the necessary correction (s).


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EASY
IMPORTANT

 Look at the figure given. Can the image of the child in it be obtained on a screen?

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EASY
IMPORTANT

 Draw figure showing the position of the plane mirror. Also label the angle of incidence and angle of reflection on it.
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EASY
IMPORTANT

The distance between the object and its image formed by a plane mirror appears to be 24 cm. What is the distance between the mirror and the object?

EASY
IMPORTANT

The angle between incident ray and reflected ray is 600. What is the value of the angle of incidence?

MEDIUM
IMPORTANT

Two mirrors A and B are placed at right angles to each other as shown in the figure below:
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A ray of light incident on mirror A at an angle of 25° falls on mirror B after reflection. The angle of reflection for the ray reflected from mirror B would be

EASY
IMPORTANT

 A small hole P is made in a piece of cardboard. The hole is illuminated by a torch as shown in the figure below. The ray of light coming out of the hole falls on a mirror.
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At which point should the eye be placed so that the hole can be seen?

MEDIUM
IMPORTANT

A tiny mirror M is fixed on a piece of cardboard placed on a table. The cardboard is illuminated by light from a bulb. The position of eye with respect to position of bulb is shown in figure as A, B, C and D. In which position mirror will be visible?

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EASY
IMPORTANT

Light is falling on surface S1, S2, S3 as shown in the figure below:
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Surfaces on which the angle of incidence is equal to the angle of reflection is/are: